Home / 3,840.10-5,298.48-2,246.32

Finding the Fourth Proportional to 3,840.10, 5,298.48 and 2,246.32

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Solution

The fourth proportional to 3,840.10, 5,298.48 and 2,246.32 is: 3,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.10 : 5,298.48 = 2,246.32 : x
  2. Step 2: Convert to fraction form
    3,840.10/5,298.48 = 2,246.32/x
  3. Step 3: Cross multiply
    3,840.10x = 5,298.48 × 2,246.32
  4. Step 4: Simplify right side
    3,840.10x = 11,902,081.59
  5. Step 5: Solve for x
    x = 11,902,081.59/3,840.10
  6. Step 6: Final answer
    x = 3,099.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.